Classic Scottish shortbread is essentially a crumbly cookie made from flour, butter, and sugar, and the millionaire's version is the same cookie with layers of caramel and chocolate.

Shortbread is a classic Scottish treat said to date back to Mary Queen of Scots and can be enjoyed year-round, not just at Hogmanay (Image: Getty Images) Article continues below.

If you adore shortbread, you may wonder if there's a difference between your standard variety and Scottish shortbread. Find out more about this classic treat.

Shortbread is a classic Scottish biscuit, thought to date back to the 12th century, but made popular by Mary, Queen of Scots, in the 16th century.

What is another name for a sugar cookie? Sugar cookies haven’t always been known by that name. When the modern sugar cookie was invented in the mid-1700s, they were called Nazareth cookies.

If you adore shortbread, you may wonder if there's a difference between your standard variety and Scottish shortbread. Find out more about this classic treat.